ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,212,774, issued on Jan. 28, was assigned to NOKIA TECHNOLOGIES OY (Espoo, Finland).

"Combined motion vector and reference index prediction for video coding" was invented by Antti Olli Hallapuro (Tampere, Finland), Kemal Ugur (Tampere, Finland) and Jani Lainema (Tampere, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for improving the coding efficiency of motion vector information in video coding. According to various embodiments, a list of motion vector predictor candidates is arranged according to predefined rules. Each motion vector also has a reference index associated with it. One of the motion vector candidates is then s...